Cement Board

Prevent mold and moisture damage in wet areas by installing HardieBacker 1/4" or HardieBacker 500 on your walls, floors and countertops.

Basic Composition: 90% Portland cement and sand with selected additives

• no formaldehyde
• no gypsum
• no paper facing or abrasive aggregate

Superior strength and durability so your floors/walls are stable

• Greater flexural strength than any competitive board
• 2x greater than cement & +10x greater than glass mat gypsum
• 3x compressive strength of glass mesh

Greatest resistance to moisture and mold so your floors/walls are protected

• Moldblock Technology: achieve perfect score on industry mold tests
• Contains no paper facing, which serves as a food source for mold, or gypsum, which can disintegrate with continuous moisture exposure

Resistance to flame spread so you are protected

• Recognized for use in non-combustible construction

HardieBacker500 and HardieBacker 1/4"

• Are easy to install
• Are available in 3'x5' and 4'x8' sheets
• HardieBacker 1/4" (0.25") is mainly used for floors and countertops
• Has the EZ Grid fastener pattern for simple installation
• HardieBacker500 (0.42") is used for walls and floors
• .42 size matches up with tapered edge of a drywall sheet